1,2,3,4-Tetrahydroquinoline
Also known as: Kusol, benzopiperidine, tetrahydroquinoline, 1,2,3,4-tetrahydro-quinoline, Quinoline, 1,2,3,4-tetrahydro-, EINECS 211-237-6, MFCD00006693
1,2,3,4-Tetrahydroquinoline (CAS 635-46-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N and a molecular weight of 133.190 g/mol. Key properties include a melting point of 9-14 °C(lit.), a boiling point of 250.8±10.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 100.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 635-46-1
- Jingsj CID
- J-38764-4
- Molecular Formula
- C9H11N
- Molecular Weight
- 133.190 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 9-14 °C(lit.) |
|---|---|
| Boiling Point | 250.8±10.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 100.6±0.0 °C |
| Exact Mass | 133.089142 |
| PSA | 12.03000 |
| LogP | 2.29 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.544 |
| Additional Property | <1 g/L (20 ºC) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H350 — May cause cancer
Customs & Trade Information
| HS Code | 29334990 |
|---|
Frequently Asked Questions
What is the CAS number of 1,2,3,4-Tetrahydroquinoline?
The CAS number of 1,2,3,4-Tetrahydroquinoline is 635-46-1.
What are the molecular formula and molecular weight of 1,2,3,4-Tetrahydroquinoline?
1,2,3,4-Tetrahydroquinoline has molecular formula C9H11N and molecular weight 133.190 g/mol.
Is 1,2,3,4-Tetrahydroquinoline hazardous?
1,2,3,4-Tetrahydroquinoline has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 1,2,3,4-Tetrahydroquinoline?
For 1,2,3,4-Tetrahydroquinoline, Upstream Products: leucoline, (E)-2,3-dihydro-1H-inden-1-one oxime, 3,4-Dihydroquinolin-2(1H)-one; Downstream Products: tert-Butyl 7-amino-3,4-dihydroquinoline-1(2H)-carboxylate, 1,2,3,4-Tetrahydroquinoline-6-carboxylic acid, 2-(3,4-dihydroquinolin-1(2H)-yl)ethanamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,3,4-Tetrahydroquinoline (CAS 635-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38764-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.